The present invention relates to processes and intermediates useful in the preparation of (R)-2-(7-(4-cyclopentyl-3-(trifluoromethyl)benzyloxy)-1,2,3,4-tetrahydrocyclopenta[b]indol-3-yl)acetic acid of Formula (Ia) and salts thereof, an S1P1 receptor modulator that is useful in the treatment of S1P1 receptor-associated disorders, for example, diseases and disorders mediated by lymphocytes, transplant rejection, autoimmune diseases and disorders, inflammatory diseases and disorders (e.g., acute and chronic inflammatory conditions), cancer, and conditions characterized by an underlying defect in vascular integrity or that are associated with angiogenesis such as may be pathologic (e.g., as may occur in inflammation, tumor development and atherosclerosis).
本发明涉及用于制备(Ia)式(R)-2-(7-(4-环戊基-3-(三
氟甲基)苯基氧基)-1,2,3,4-四氢-环戊[b]
吲哚-3-基)
乙酸及其盐的过程和中间体,该化合物是一种S1P1受体调节剂,可用于治疗S1P1受体相关疾病和疾病,例如由淋巴细胞介导的疾病和疾病,移植排斥、自身免疫性疾病和疾病、炎症性疾病和疾病(例如急性和慢性炎症性疾病)、癌症和具有血管完整性潜在缺陷或与血管生成有关的疾病和疾病,例如可能是病理性的(例如可能发生在炎症、肿瘤发展和动脉硬化中)。